Princess Adelheid of Hohenlohe-Langenburg

Princess Adelheid of Hohenlohe-Langenburg (20 July 1835 – 25 January 1900) was Duchess of Schleswig-Holstein-Sonderburg-Augustenburg, a niece of Queen Victoria of the United Kingdom, first cousin of King Edward VII, and the mother-in-law of Emperor Wilhelm II of Germany. She is the most recent common matrilineal ancestress (directly through women only) of Carl XVI Gustaf of Sweden and Felipe VI of Spain.